<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>CSS的缺点</title>
    <style>
        html{
            font-size: 50px;
        }

        img{
            /* width: 82px;
            height: 82px; */

            /* width: 1.64rem;
            height: 1.64rem; */

            /* 让82/50如果有这种写法该多好 */
            /* width: 82/50; */
        }

        div{
            background-color: pink;
        }

        p{
            background-color: pink;
        }

        span{
            background-color: pink;
        }
    </style>
</head>
<body>
    
</body>
</html>